Putter golf club head



FIG. 1 is a top perspective view of a putter golf club head showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a heel end view thereof; and,

FIG. 7 is a toe end view thereof.

The broken lines shown on the drawings form no part of the claimed design. 

CLAIM The ornamental design for putter golf club head, as shown and described. 